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The Heating & Cooling Blog

By MR. HVAC

Air conditioning units installed on a rooftop against a building with wooden blinds on windows.

What Is a Split System HVAC?

July 30, 2026

What A Split System HVAC Actually Is A split system HVAC is heating and cooling equipment that is literally split... Continue Reading

Outdoor air conditioning unit mounted on a stone wall outside a dark brick house with surrounding foliage.

How Often Does an Air Heat Pump Need Maintenance?

July 27, 2026

If you own an air source heat pump, it needs professional maintenance twice a year: once in the spring and once in... Continue Reading

Outdoor electrical junction box with switches and industrial power plugs mounted on a metal pole.

Do You Need a Surge Protector for Your Air Conditioner?

July 23, 2026

What Is an HVAC Surge Protector? An HVAC surge protector is a small device wired into your system's electrical... Continue Reading

Cluster of electric meters mounted on a pole surrounded by numerous black cables and green tree foliage.

AC Not Working After a Power Outage? Causes and Simple Fixes

July 20, 2026

Why A Power Outage Or Brownout Affects Your AC A full outage is a total loss of power. A brownout is different... Continue Reading

Technician in red uniform inspecting and repairing outdoor air conditioning units mounted on a house exterior wall.

What the Switch to R-454B Means When You Repair or Replace Your AC

July 17, 2026

If you are shopping for a new air conditioner this year, you have probably run into a label you did not see a few... Continue Reading

Technician wearing hard hat moves rooftop HVAC unit on wheels during maintenance at commercial building.

Choosing the Right Commercial HVAC System for Your Atlanta Building

July 17, 2026

How commercial systems differ from residential Commercial equipment is not just a larger version of what sits... Continue Reading

Multiple lightning bolts illuminating dark clouds over silhouetted trees at night with an orange and purple sky.

How Summer Storms and Grid Surges Damage Your AC Compressor

July 10, 2026

North Georgia summers come with a familiar soundtrack: afternoon thunder, a flicker of the lights, and that split... Continue Reading

Outdoor central air conditioning unit with metal casing and ventilation grilles in a backyard setting.

How Long Does It Take to Install a New AC Unit?

July 02, 2026

A standard AC replacement in a home with existing ductwork takes four to eight hours. Most installations start in... Continue Reading

Woman in a white shirt fanning herself with a blue hand fan, appearing hot and uncomfortable indoors.

AC Not Cooling Enough? Here's Why Your House Won't Get Cold

June 26, 2026

An air conditioner that runs continuously but cannot reach the thermostat setting is usually experiencing a loss of... Continue Reading

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